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3-1
World Population
Term | Definition |
---|---|
death rate | number of deaths per year out of every 1,000 people |
birthrate | number of children born each year for every 1,000 people |
famine | severe lack of food |
population density | average number of people living in a square mile or square kilometer |
urbanization | growth of cities |
emigrate | to leave a country and move to another |
refugee | person who flees to another country to escape persecution or disaster |
technology | the application of scientific discoveries to practical use |
internal | existing or taking place within |